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Contact [7]
3 years ago
11

How does the moon move​

Chemistry
1 answer:
Llana [10]3 years ago
6 0

Answer:

Earth's gravitational pull making it stay in orbit

Explanation:

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2. What would charge would you expect a magnesium atom to form?<br> O 2+<br> 017<br> 2
geniusboy [140]

Answer:

-2

Explanation:

Magnesium usually has a negative charge.

4 0
3 years ago
What is the wavelength of radio waves that have a frequency of 3.20 x 1010 Hz?
Afina-wow [57]

The correct answer is A; or 9.38x10^-3.

Explanation:

f=3.20x10^10       c= 3.00x10^8

Once you divide those by each other, your answer is 9.83x10^-3

Hope this helps!! :)

6 0
3 years ago
Read 2 more answers
The process that continually adds new material to the ocean floor is called...?
Ronch [10]
Deposition. Particles settle to the bottom of still water after being eroded.
7 0
3 years ago
Select the properly written and balanced equation for the following chemical reaction: Sodium metal and an aqueous solution of m
Setler [38]

Answer:2Na(s)+MgI_2 (aq)\rightarrow 2NaI(aq)+Mg(s)

Explanation: The chemical reaction is written by writing down the chemical formulas of the reactants on the left hand side and the chemical formulas of products on the right hand side separated by a right arrow.

This is a single displacement reaction in which a more reactive element displaces the less reactive element from its salt solution. Thus sodium is more reactive than Mg and thus displaces it from MgI_2.

2Na(s)+MgI_2 (aq)\rightarrow 2NaI(aq)+Mg(s)

The number of atoms of each element must be same on both sides of the reaction so as to follow the law of conservation of mass. Thus the equation is balanced.

5 0
3 years ago
1. The following reaction does not proceed to form a product: H2O + Au---&gt; no reaction. Why is that?
Xelga [282]
1. B
The positive charge in water is provided by hydrogen, and gold provides the same charge. However, gold is not more reactive than hydrogen so it can not replace it in the compound.

2. In order to balance the equation, you must sure there are equal moles of each element on the left and right side of the equation:
2C₂H₆ + 7O₂ → 4CO₂ + ₆H₂O

3. The number of moles of sodium atoms on the left of the equation must be equal to the number of moles of sodium atoms on the right, as per the law of conservation of mass. The answer is B.

4. C.
A synthesis reaction usually results from single displacement because some element or compound is produced in its pure form

5. B. 
The gas being produced is being synthesized.
8 0
2 years ago
Read 2 more answers
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